docs: replace recorded gif with animated svg #394

Job	Run time
build (macos, module-legacy, java-objc)	9m 6s
build (macos, module-legacy, cpp)	7m 41s
build (macos, module-legacy, java-swift)	6m 43s
build (macos, module-mixed, cpp)	5m 4s
build (macos, module-mixed, java-objc)	7m 30s
build (macos, module-new, cpp)	6m 8s
build (macos, module-new, java-objc)	5m 48s
build (macos, view-legacy, java-objc)	5m 47s
build (macos, view-legacy, java-swift)	5m 17s
build (macos, view-mixed, java-objc)	5m 30s
build (macos, view-new, java-objc)	5m 36s
build (ubuntu, library, js)	1m 44s
build (ubuntu, module-legacy, cpp)	45s
build (ubuntu, module-legacy, java-swift)	49s
build (ubuntu, module-legacy, java-objc)	44s
build (ubuntu, module-legacy, kotlin-swift)	49s
build (ubuntu, module-legacy, kotlin-objc)	44s
build (ubuntu, module-mixed, cpp)	47s
build (ubuntu, module-mixed, java-objc)	49s
build (ubuntu, module-mixed, kotlin-objc)	44s
build (ubuntu, module-new, cpp)	1m 3s
build (ubuntu, module-new, java-objc)	46s
build (ubuntu, module-new, kotlin-objc)	1m 3s
build (ubuntu, view-legacy, java-objc)	48s
build (ubuntu, view-legacy, java-swift)	50s
build (ubuntu, view-legacy, kotlin-swift)	44s
build (ubuntu, view-mixed, java-objc)	50s
build (ubuntu, view-legacy, kotlin-objc)	1m 1s
build (ubuntu, view-mixed, kotlin-objc)	43s
build (ubuntu, view-new, java-objc)	59s
build (ubuntu, view-new, kotlin-objc)	44s
	1h 27m 36s

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